Kudlow will help to craft Trump’s policies and advise Trump on trade, taxes, and more as part of the White House staff.

The former Reagan White House and Bear Stearns economist expressed support for Trump during the 2016 campaign, primarily for his tax cut plan, but Kudlow hasn’t always been kind to the president.

In 2015, prior to Trump’s ascendancy, Kudlow repeatedly took shots at the then-candidate via Twitter.

During that time, Kudlow shared many articles attacking Trump, including one lambasting his immigration policy, one criticising Trump’s attacks on China’s currency, and a piece by Jonah Goldberg in the conservative National Review titled, “No Movement That Embraces Trump Can Call Itself Conservative.”

In fact, one tweet Kudlow shared even featured a GIF of Trump being body slammed during a WWE appearance with an image of Jeb Bush’s face placed over the attacking wrestler’s face: